%0 Journal Article %A BOJAN MOHAR %A HEHUI WU %T DICHROMATIC NUMBER AND FRACTIONAL CHROMATIC NUMBER %J Forum of Mathematics, Sigma %D 2016 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2016.28/ %R 10.1017/fms.2016.28 %G en %F 10_1017_fms_2016_28